Home / 112,656.92-155,474.03-64,913.33

Finding the Fourth Proportional to 112,656.92, 155,474.03 and 64,913.33

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Solution

The fourth proportional to 112,656.92, 155,474.03 and 64,913.33 is: 89,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,656.92 : 155,474.03 = 64,913.33 : x
  2. Step 2: Convert to fraction form
    112,656.92/155,474.03 = 64,913.33/x
  3. Step 3: Cross multiply
    112,656.92x = 155,474.03 × 64,913.33
  4. Step 4: Simplify right side
    112,656.92x = 10,092,335,913.88
  5. Step 5: Solve for x
    x = 10,092,335,913.88/112,656.92
  6. Step 6: Final answer
    x = 89,584.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.